94.16: A car of mass m, trave puwy (-9inqu-;a f6wwe6a2m eling at speed v, stops in time t when maximum braking force is applied. Assuming the braking force is independent of mass, what time would be req eu -9a- uqp6w;y fmewi(aw6n2uired to stop a car of mass 2m traveling at speed v?

  96.04: When the velocity of a ,,hgli 4uwrc1npi;5 w moving object is doubled, its_______is also doubledpu wgh l w,4;,1i5ncir.

  96.06: Impulse, Fnet .h *p:c;(ebhw n,ehl3m4n bvh$\Delta$tis best related to:

  17.05: Which one of the following choices is most closely associatedb, liu;9*7 zyullu;ps with the following observation about an isolated object: “The linear momentum of tbyulszlu*9;7l u, ;p ihe object is constant.”?

  17.21: The change in linear momentum of an object is always in the sai(2 v8 rqxe-.u4jfzsn me direction as nv (sru2xq8fiz4 j -e.the

  95.08: How long must a 100 N net force /z0ssjz-rzg.f p:4 oa act to produce a change in momentum of 200 gz f4zp:o -azj 0.s/rskg.m/s?

  95.29: P and Q have the same momentum. Q can have more kinetic energy than P if bd8)odz kry, 7y8m,mv oydmk,78 brv)zdmy8, it:

  98.26: A ball with a mass of 08pooeizhufv ,e1 d )b;)p:va-3uoo/ w.50 kg and a speed of 6.0 m/s collides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite direction. What is the magni)v8, ;da1 zo vuip-bfoe3 ouho/)w:p etude of the impulse acting on the ball?

  01.08: A 50 kilogram gri2. yewyf md 29 rr2-trwv7b5ymnast falls freely from a height of 4 meters on to a trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which she first struck the trampoline. What is the averagt 9b2ervy - rwyi r2f572mwrd.e force the trampoline applies on the gymnast?

  17.27: A 2.0 kg mass moves 3n cwnl7sf1 8bf0t/-cqgk2b lx2r p2i at 10.0 m/s when it has a collision in space. The mass’s speed was unchanged, but q/87fw2xbsilp1tg-kc2 c2l r0fbn3 nthe direction of its velocity was altered by $80^{\circ}$. If the collision lasted 0.25 s, what was the magnitude of the average force exerted on the mass?

  05.13: A bat striking a 0.125 kg-baseb3 8b*tsfk6ff zva+7zjn1,vg n all is in contact with the ball for a time of 0.03 seconds. The ball travels in a straight line as it approaches and then leaves the bat. If the ball arrives at the bat with a velocity of 4.5 m/s and leaves with a velocity of-6.5 m/s, what is the mag,vk g vff1fnt*b+86s3zj z7 annitude of the average force acting on the ball?

  15.43: An object of mass 4.0 g has atotal kinetic energy of 100.0 J :3 c) 0f/i)xv7jl8kh7lmvietnvoq d9 and an x-component of linear momentum equal to 24.0 kg.m/s. The object is moving in the x-y plane. What is they-component of the objec)78m vl3fx 0c7ikvho:n t9q dvi/el )jt’s linear momentum?

  13.05: At an instant of time t, a point obje,kupo wvmx ,yf(/ob9 +ct of mass M moves with velocity V, has acceleration a, and is at position (x,y).9wv( oub pyf/xo ,,k+m In what direction must the linear momentum of the object be directed at this instant?

  10.32: A rubber ball ;2v7vdqj0k* a odf y9qof mass 2.0 kg falling straight downward hits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/kg.a2; yvqq*fdj 0v9 dk7o
What is the magnitude of the average acceleration (in units of $m/s^{2}$ ) of the ball while it is in contact with the ground?

  10.33: A rubber ball of mass 2.0 kg falling straight downward hits the ground /)tzjt9.+eet wd 6zkzwith a speed of 0.90 m/s and then rebounds straight upward with a spejzz ttt wz /)ke6d+.e9ed of 0.60 m/s. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/kg.
What is the magnitude of the average force (in units of Newtons) exerted by the ground on the ball while they are in contact?

  14.12: A box of mass 5.0 kg is being pushed to the right across a horizontae c ji 8kpayv63;9)t/f gdsn3+ykuk 9q5qxcl2l surface while a constant frictional force of 8.0 N acts on the ki aypevg2/3)kc9uc6;nl5 k+f3q y9txqjd s8box. At some instant of time, the box has a speed of 4.0 m/s and an acceleration of$3.0\; m/s^{2}$ . What is the magnitude of the net force acting on the box at this instant?

  15.12: A box of mass 12.0 kg is being pushed to the right across a horizontal s: 9i5n2nu9q qtq.4mzaf7iwiz urface. When the box has 12.0 J of kinetic energy, a 12.0 N net force acts on it. Which one of the following choices best represents the magn29fn 7q9w :5ini.t mi4z quazqitude of the linear momentum of the box at this instant?